iwlagn: move sysfs files to debugfs

The debug_level and temperature files should be in
debugfs, the txpower file is completely unneeded
since TX power can be set with iw/iwconfig.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 64 insertions, 8 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index d0c63cf..bf2a678 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -64,6 +64,14 @@
 		goto err;						\
 } while (0)
 
+#define DEBUGFS_ADD_U32(name, parent, ptr, mode) do {			\
+	struct dentry *__tmp;						\
+	__tmp = debugfs_create_u32(#name, mode,				\
+				   parent, ptr);			\
+	if (IS_ERR(__tmp) || !__tmp)					\
+		goto err;						\
+} while (0)
+
 /* file operation */
 #define DEBUGFS_READ_FUNC(name)                                         \
 static ssize_t iwl_dbgfs_##name##_read(struct file *file,               \
@@ -2229,8 +2237,8 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
 
 static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
 					char __user *user_buf,
-					size_t count, loff_t *ppos) {
-
+					size_t count, loff_t *ppos)
+{
 	struct iwl_priv *priv = file->private_data;
 	int i, pos = 0;
 	char buf[300];
@@ -2309,8 +2317,8 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file,
 
 static ssize_t iwl_dbgfs_wd_timeout_write(struct file *file,
 					const char __user *user_buf,
-					size_t count, loff_t *ppos) {
-
+					size_t count, loff_t *ppos)
+{
 	struct iwl_priv *priv = file->private_data;
 	char buf[8];
 	int buf_size;
@@ -2445,6 +2453,52 @@ DEBUGFS_READ_FILE_OPS(bt_traffic);
 DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
 DEBUGFS_READ_FILE_OPS(reply_tx_error);
 
+#ifdef CONFIG_IWLWIFI_DEBUG
+static ssize_t iwl_dbgfs_debug_level_read(struct file *file,
+					  char __user *user_buf,
+					  size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	struct iwl_shared *shrd = priv->shrd;
+	char buf[11];
+	int len;
+
+	len = scnprintf(buf, sizeof(buf), "0x%.8x",
+			iwl_get_debug_level(shrd));
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t iwl_dbgfs_debug_level_write(struct file *file,
+					   const char __user *user_buf,
+					   size_t count, loff_t *ppos)
+{
+	struct iwl_priv *priv = file->private_data;
+	struct iwl_shared *shrd = priv->shrd;
+	char buf[11];
+	unsigned long val;
+	int ret;
+
+	if (count > sizeof(buf))
+		return -EINVAL;
+
+	memset(buf, 0, sizeof(buf));
+	if (copy_from_user(buf, user_buf, count))
+		return -EFAULT;
+
+	ret = strict_strtoul(buf, 0, &val);
+	if (ret)
+		return ret;
+
+	shrd->dbg_level_dev = val;
+	if (iwl_alloc_traffic_mem(priv))
+		IWL_ERR(priv, "Not enough memory to generate traffic log\n");
+
+	return count;
+}
+DEBUGFS_READ_WRITE_FILE_OPS(debug_level);
+#endif /* CONFIG_IWLWIFI_DEBUG */
+
 /*
  * Create the debugfs files and directories
  *
@@ -2482,6 +2536,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(current_sleep_command, dir_data, S_IRUSR);
 	DEBUGFS_ADD_FILE(thermal_throttling, dir_data, S_IRUSR);
 	DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
+	DEBUGFS_ADD_U32(temperature, dir_data, &priv->temperature, S_IRUSR);
+
 	DEBUGFS_ADD_FILE(rx_statistics, dir_debug, S_IRUSR);
 	DEBUGFS_ADD_FILE(tx_statistics, dir_debug, S_IRUSR);
 	DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
@@ -2496,7 +2552,6 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(ucode_general_stats, dir_debug, S_IRUSR);
 	DEBUGFS_ADD_FILE(txfifo_flush, dir_debug, S_IWUSR);
 	DEBUGFS_ADD_FILE(protection_mode, dir_debug, S_IWUSR | S_IRUSR);
-
 	DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR);
 	DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR);
 	DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR);
@@ -2507,6 +2562,10 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
 	DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
 	if (iwl_advanced_bt_coexist(priv))
 		DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
+#ifdef CONFIG_IWLWIFI_DEBUG
+	DEBUGFS_ADD_FILE(debug_level, dir_debug, S_IRUSR | S_IWUSR);
+#endif
+
 	DEBUGFS_ADD_BOOL(disable_sensitivity, dir_rf,
 			 &priv->disable_sens_cal);
 	DEBUGFS_ADD_BOOL(disable_chain_noise, dir_rf,
@@ -2534,6 +2593,3 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
 	debugfs_remove_recursive(priv->debugfs_dir);
 	priv->debugfs_dir = NULL;
 }
-
-
-